If an atom loses an electron, it forms a _______________.

cation

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anion

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it remains neutral

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none of the above

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Solution

The correct option is A cation
When an atom loses an $e^{-}$ nuclear charge increases due to the greater number of protons than electrons as a result electrostatic force of attraction increases there by making the size of cation smaller.

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If an atom loses an electron, it forms a _______________.

The correct option is A cationWhen an atom loses an e− nuclear charge increases due to the greater number of protons than electrons as a result electrostatic force of attraction increases there by making the size of cation smaller.

The correct option is A cation
When an atom loses an $e^{-}$ nuclear charge increases due to the greater number of protons than electrons as a result electrostatic force of attraction increases there by making the size of cation smaller.